GAOA Redwood Sciences Laboratory Roof Replacement

The Department of Agriculture Forest Service seeks removal and replacement of approximately 10,300 square feet of built-up roofing at the Redwood Sciences Laboratory in Arcata, California, with proposals due August 28, 2026 and questions due August 20, 2026. This is a Total Small Business Set-Aside under FAR Part 12 as a Request for Quotation; the small business size standard is $19 million.

Place of performance is Arcata, California (1700 Bayview Drive, Redwood Sciences Laboratory). A mandatory prebid site visit will be held August 7, 2026 at 12:00 PM Pacific Time; contact Felix Nishida at felix.nishida@usda.gov.

The contractor must furnish all labor, supervision, equipment, transportation, and materials for a new SBS-modified bituminous membrane roof system (basis of design: Johns Manville products) and standing seam metal panel roofing. Work includes complete removal of existing BUR system and asphalt shingles down to original decking, installation of new flashing and roof drains, tapered polyisocyanurate insulation, OSHA-compliant fall protection guardrails, and removal and replacement of eight HVAC power vents and 14 roof vents. The roofing system must carry a 20-year manufacturer warranty and 5-year installer warranty and achieve FM Global 4471 and Class 1A-90 fire classification with 90 psf wind uplift capacity. All contractor and subcontractor personnel must be U.S. Citizens; key personnel require Contracting Officer's Representative approval. Roof access and material loading must occur from building exterior only. Work must begin within 10 calendar days of Notice to Proceed and complete within 120 calendar days; total period of performance is 365 days (September 1, 2026 through October 1, 2027) per Amendment 0001 issued August 20, 2026.

The estimated magnitude is between $500,000 and $1 million. Performance and payment bonds are required within 10 days. Prevailing wage rates apply per Davis-Bacon Act. Evaluation criteria are technical approach (capability, experience, equipment, personnel qualifications, logistics, schedule, and biobased products) at unspecified weighting, past performance (acceptable/neutral/unacceptable), and price evaluated for fairness and reasonableness per FAR 12.204. Award is not necessarily to lowest-price offeror. NAICS 238160 (Roofing Contractors); PSC Z1DB (Maintenance of Laboratories and Clinics). Contracting Officer: Kristin M. Pearce.